courses: add webview for links (fixes #2708) (#2709)

Co-authored-by: dogi <[email protected]>
open-learning-exchange · Nov 16, 2023 · d559a99 · d559a99
1 parent d3178d4
commit d559a99
Show file tree

Hide file tree

Showing 3 changed files with 62 additions and 2 deletions.
diff --git a/app/build.gradle b/app/build.gradle
@@ -9,8 +9,8 @@ android {
         applicationId "org.ole.planet.myplanet"
         minSdkVersion 21
         targetSdkVersion 34
-        versionCode 1148
-        versionName "0.11.48"
+        versionCode 1149
+        versionName "0.11.49"
         ndkVersion '21.3.6528147'
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true

diff --git a/app/src/main/java/org/ole/planet/myplanet/ui/course/CourseStepFragment.java b/app/src/main/java/org/ole/planet/myplanet/ui/course/CourseStepFragment.java
@@ -2,6 +2,9 @@
 
 
 import android.os.Bundle;
+import android.text.Spannable;
+import android.text.method.LinkMovementMethod;
+import android.text.style.URLSpan;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -26,6 +29,7 @@
 import org.ole.planet.myplanet.ui.exam.TakeExamFragment;
 import org.ole.planet.myplanet.utilities.CameraUtils;
 import org.ole.planet.myplanet.utilities.Constants;
+import org.ole.planet.myplanet.utilities.CustomClickableSpan;
 
 import java.util.Date;
 import java.util.List;
@@ -117,10 +121,28 @@ public void onActivityCreated(@Nullable Bundle savedInstanceState) {
         hideTestIfNoQuestion();
         fragmentCourseStepBinding.tvTitle.setText(step.getStepTitle());
         markwon.setMarkdown(fragmentCourseStepBinding.description, step.getDescription());
+        fragmentCourseStepBinding.description.setMovementMethod(LinkMovementMethod.getInstance());
+
         if (!RealmMyCourse.isMyCourse(user.getId(), step.getCourseId(), mRealm)) {
             fragmentCourseStepBinding.btnTakeTest.setVisibility(View.INVISIBLE);
         }
         setListeners();
+
+        CharSequence textWithSpans = fragmentCourseStepBinding.description.getText();
+        if (textWithSpans instanceof Spannable) {
+            Spannable spannable = (Spannable) textWithSpans;
+            URLSpan[] urlSpans = spannable.getSpans(0, spannable.length(), URLSpan.class);
+
+            for (URLSpan urlSpan : urlSpans) {
+                int start = spannable.getSpanStart(urlSpan);
+                int end = spannable.getSpanEnd(urlSpan);
+
+                String dynamicTitle = spannable.subSequence(start, end).toString();
+
+                spannable.setSpan(new CustomClickableSpan(urlSpan.getURL(), dynamicTitle, getActivity()), start, end, spannable.getSpanFlags(urlSpan));
+                spannable.removeSpan(urlSpan);
+            }
+        }
     }
 
     private void hideTestIfNoQuestion() {
@@ -179,4 +201,5 @@ public void onDownloadComplete() {
     @Override
     public void onImageCapture(String fileUri) {
     }
+
 }
diff --git a/app/src/main/java/org/ole/planet/myplanet/utilities/CustomClickableSpan.java b/app/src/main/java/org/ole/planet/myplanet/utilities/CustomClickableSpan.java
@@ -0,0 +1,37 @@
+package org.ole.planet.myplanet.utilities;
+
+import android.content.Context;
+import android.content.Intent;
+import android.text.style.ClickableSpan;
+import android.view.View;
+
+import androidx.annotation.NonNull;
+
+import org.ole.planet.myplanet.ui.viewer.WebViewActivity;
+
+public class CustomClickableSpan extends ClickableSpan {
+    private final String url;
+    private final String title;
+    private final Context context;
+
+    public CustomClickableSpan(String url, String title, Context context) {
+        this.url = url;
+        this.title = title;
+        this.context = context;
+    }
+    @Override
+    public void onClick(@NonNull View widget) {
+        openLinkInWebView(url, title);
+    }
+
+    private void openLinkInWebView(String link, String title) {
+        if (link != null && !link.isEmpty()) {
+            Intent webViewIntent = new Intent(context, WebViewActivity.class);
+            webViewIntent.putExtra("title", title);
+            webViewIntent.putExtra("link", link);
+            context.startActivity(webViewIntent);
+        } else {
+            Utilities.toast(context, "Invalid link");
+        }
+    }
+}